Mario Ruffini Books

L' opera di Luigi Dallapiccola

By Ruffini Mario.

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Giuseppe Gavazzi

By Giuseppe Gavazzi

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Essere e tempo

By Mario Ruffini

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Johann Sebastian Bach

By Mario Ruffini

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Giovanni Colacicchi

By Mario Ruffini, Susanna Ragionieri

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"Great painter but also humanist, writer, poet and journalist, Giovanni Colacicchi is among the leading cultural figures of the twentieth century. The book is the catalog of a major exhibition held...

Flavia Arlotta

By Mario Ruffini, Max Seidel

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Honoris causa

By Mario Ruffini

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Il teatro musicale in Italia

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Luigi Dallapiccola e le arti figurative

By Mario Ruffini

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Musica e arti figurative

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.